diff --git a/lib/plugins/package/lib/packageService.js b/lib/plugins/package/lib/packageService.js
index 9c3424e44..0e677587a 100644
--- a/lib/plugins/package/lib/packageService.js
+++ b/lib/plugins/package/lib/packageService.js
@@ -113,7 +113,7 @@ module.exports = {
               )
             )
             .filter(f => f.runtime && f.runtime.startsWith('go'))
-            .map(f => f.handler);
+            .map(f => path.normalize(f.handler));
 
     return this.resolveFilePathsAll().then(filePaths =>
       this.zipFiles(filePaths, zipFileName, undefined, filesToChmodPlusX).then(filePath => {